Wireless communication terminal and wireless communication method for multi-user concurrent transmission
a wireless communication and wireless communication technology, applied in the direction of digital transmission, error prevention, electrical equipment, etc., can solve the problems of short communication distance, inability to use 60 ghz frequency band, and inability to use ieeee 802.11a, so as to reduce unnecessary channel occupancy, prevent malfunction of wireless lan network, increase the total spectral efficiency of the network
Active Publication Date: 2019-05-28
WILUS INST OF STANDARDS & TECH +1
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Benefits of technology
The present invention allows for efficient scheduling of multiple users in a contention-based channel access system, reducing unnecessary channel occupancy and increasing overall spectral efficiency of the network. It also prevents malfunctions in the wireless LAN network by aligning the lengths of block ACKs transmitted through multiple channels and ensures transmission time for control frames. Additionally, it increases the overall resource utilization rate and improves performance of the wireless LAN system.
Problems solved by technology
However, the IEEE 802.11a has a disadvantage in that a communication distance is shorter than the IEEE 802.11b.
However, since it is difficult for the 60 GHz frequency band to pass through an obstacle, it is disadvantageous in that the 60 GHz frequency band can be used only among devices in a short-distance space.
Method used
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[0151]As above, related features have been described in the best mode.
INDUSTRIAL APPLICABILITY
[0152]Various exemplary embodiments of the present invention have been described with reference to an IEEE 802.11 system, but the present invention is not limited thereto and the present invention can be applied to various types of mobile communication apparatus, mobile communication system, and the like.
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The present invention relates to a wireless communication terminal and a wireless communication method for efficiently managing simultaneous data transmissions of a plurality of terminals.To this end, provided are a base wireless communication terminal including: a transceiver configured to transmit and receive a wireless signal; and a processor configured to control an operation of the base wireless communication terminal, wherein the processor is configured to: transmit a trigger frame triggering a multi-user uplink transmission of a plurality of terminals, receive multi-user uplink data through resources allocated to the plurality of terminals, and transmit a block ACK through the resources in response to the received multi-user uplink data, wherein the transmission of the block ACK in each resource is terminated at the same time, and a wireless communication method using the same.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is the U.S. National Stage of International Patent Application No. PCT / KR2016 / 002199 filed on Mar. 4, 2016, which claims the priority to Korean Patent Application No. 10-2015-0030369 filed in the Korean Intellectual Property Office on Mar. 4, 2015, Korean Patent Application No. 10-2015-0036754 filed in the Korean Intellectual Property Office on Mar. 17, 2015 and Korean Patent Application No. 10-2015-0066670 filed in the Korean Intellectual Property Office on May 13, 2015, the entire contents of which are incorporated herein by reference.TECHNICAL FIELD[0002]The present invention relates to a wireless communication terminal and a wireless communication method for a simultaneous multi-user transmission, and more particularly, to a wireless communication terminal and a wireless communication method for efficiently managing simultaneous data transmissions of a plurality of terminals.BACKGROUND ART[0003]In recent years, with s...
Claims
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IPC IPC(8): H04W72/04H04L1/16H04W72/12H04W74/08H04L1/00
CPCH04L1/1664H04L1/1614H04L1/1621H04L1/1671H04W72/121H04W72/1231H04W72/1284H04W72/0413H04W74/085H04W72/21H04W72/542
Inventor AHN, WOOJINKIM, YONGHOKWAK, JINSAMSON, JUHYUNG
Owner WILUS INST OF STANDARDS & TECH